Finding the Third Proportional to 634,164 and 1,320,816

Step by Step Solution

1. Step 1: Write the proportion equation
   634,164 : 1,320,816 = 1,320,816 : x
2. Step 2: Convert to fraction form
   634,164/1,320,816 = 1,320,816/x
3. Step 3: Cross multiply
   634,164x = 1,320,816 × 1,320,816
4. Step 4: Simplify right side
   634,164x = 1,744,554,905,856
5. Step 5: Solve for x
   x = 1,744,554,905,856/634,164
6. Step 6: Final answer
   x = 2,750,952.29